Irfan I, Kirana KC, Septyarini E. Pengaruh Disiplin, Lingkungan Kerja dan Motivasi Terhadap Produktivitas Kerja Karyawan di PT. Rifan Financindo Berjangka Yogyakarta. INOVATOR [Internet]. 2022 Sep. 1 [cited 2024 Nov. 15];11(2):372-83. Available from: http://150.107.142.43/index.php/INOVATOR/article/view/7923